<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="专栏编号" prop="columnNo">
        <el-input
          v-model="queryParams.columnNo"
          placeholder="请输入专栏编号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="专栏名称" prop="columnName">
        <el-input
          v-model="queryParams.columnName"
          placeholder="请输入专栏名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="讲师ID" prop="teacherId">
       <el-input
          v-model="queryParams.teacherId"
          placeholder="请输入讲师ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="讲师昵称" prop="nickName">
       <el-input
          v-model="queryParams.nickName"
          placeholder="请输入讲师昵称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['column:columnTeacher:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['column:columnTeacher:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['column:columnTeacher:remove']"
        >删除</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['column:columnTeacher:export']"
        >导出</el-button>
      </el-col> -->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList" :columns="columns"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="columnTeacherList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" v-if="columns[0].visible" />
      <el-table-column label="专栏编号" align="center" prop="columnNo" v-if="columns[1].visible"  />
      <el-table-column label="专栏名称" align="center" prop="columnName" v-if="columns[2].visible"  />
      <el-table-column label="讲师ID" align="center" prop="teacherId" v-if="columns[3].visible"  />
      <el-table-column label="讲师昵称" align="center" prop="nickName" v-if="columns[4].visible"  />
      <el-table-column label="创建时间" align="center" prop="createTime" width="180" v-if="columns[5].visible">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="180" v-if="columns[6].visible">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['column:columnTeacher:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['column:columnTeacher:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改专栏讲师对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="专栏" prop="columnNo">
          <el-select v-model="form.columnNo"  filterable placeholder="请选择专栏名称">
            <el-option
            v-for="item in columnOption"
            :key="item.columnNo"
            :value="item.columnNo"
            :label="item.columnName"
            :disabled="item.status == 0"
          />
          </el-select>
        </el-form-item>
        <el-form-item label="讲师" prop="teacherId">
          <el-select v-model="form.teacherId"  filterable placeholder="请选择讲师">
            <el-option
              v-for="teacher in teacherOption"
              :key="teacher.userId"
              :label="teacher.nickName"
              :value="teacher.userId"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listColumnTeacher, getColumnTeacher, delColumnTeacher, addColumnTeacher, updateColumnTeacher } from "@/api/column/columnTeacher";
import { wholeColumn } from "@/api/column/column";
import { teacherList } from "@/api/system/user";

export default {
  name: "ColumnTeacher",
  dicts: ['sys_normal_disable'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      //专栏讲师表格数据
      columnTeacherList: [],
      //讲师列表
      teacherOption: [],
      //专栏数据
      columnOption: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        nickName: null,
        columnName: null,
        columnNo: null,
        teacherId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        columnNo: [
          { required: true, message: "请选择专栏", trigger: "change" }
        ],
        teacherId: [
          { required: true, message: "请选择讲师", trigger: "change" }
        ],
      },
      columns: [
        { key: 0, label: `ID`, visible: true },
        { key: 1, label: `专栏编号`, visible: true },
        { key: 2, label: `专栏名称`, visible: true },
        { key: 3, label: `讲师ID`, visible: false },
        { key: 4, label: `讲师名称`, visible: true },
        { key: 5, label: `创建时间`, visible: true },
        { key: 6, label: `更新时间`, visible: true },
      ],
    };
  },
  created() {
    this.getList();
    this.getColumnList();
    this.geteacher();
  },
  methods: {
    /** 查询专栏讲师列表 */
    getList() {
      this.loading = true;
      if(this.$route.params.columnNo !=null){
        this.queryParams.columnNo = this.$route.params.columnNo;
        this.$route.params.columnNo = null;
      }
      listColumnTeacher(this.queryParams).then(response => {
        this.columnTeacherList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 查询专栏列表 */
    getColumnList() {
      wholeColumn(this.queryParams).then(response => {
        this.columnOption = response.data;
      });
    },
    //获取讲师列表
    geteacher() {
      teacherList(this.queryParams).then(response => {
        this.teacherOption = response.data;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        columnNo: null,
        teacherId: null,
        delFlag: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加专栏讲师";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getColumnTeacher(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改专栏讲师";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateColumnTeacher(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addColumnTeacher(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除专栏讲师编号为"' + ids + '"的数据项？').then(function() {
        return delColumnTeacher(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('column/columnTeacher/export', {
        ...this.queryParams
      }, `columnTeacher_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
